Norm
[AKTUELL]
OENORM EN 300953 V 7.0.1
OENORM EN 300953 V 7.0.1
Digital cellular telecommunications system (Phase 2+) - Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 3 (GSM 04.83 version 7.0.1 Release 1998)
Titel (englisch)
Digital cellular telecommunications system (Phase 2+) - Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 3 (GSM 04.83 version 7.0.1 Release 1998)
